>When I call those commands again then callstack is not seen, but monitor mode
>not works and I am >unable to do wifi sniffing. Wifi sniffing stopped working
>today. Reboot of PC does not help.
Monitor mode works fine again. That was temporary issue with no wifi monitor
mode.
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You received
Hello,
I observe the same callstack on Ubuntu 20.04.06 LTS after trying to enable
monitor mode:
sudo ip link set dev wlp82s0 down
sudo iwconfig wlp82s0 mode monitor
// Callstack visible after that command
sudo ip link set dev wlp82s0 up
When I call those commands again then callstack is not
Thanks for the report. Does the issue happen on newer kernels?
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https://bugs.launchpad.net/bugs/1998576
Title:
UBSAN: shift-out-of-bounds in WiFi driver
apport information
** Tags added: apport-collected focal
** Description changed:
Hello all!
On Ubuntu 20.04.5 LTS, when I use the mdk3 tool
(https://github.com/aircrack-ng/mdk3, also available in Ubuntu PPA), it
raises a kernel exception in the Wi-Fi driver:
UBSAN:
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